Testing Different Cable Screen Connections for 66 kV Offshore Application with Direct Grounding Connections (Video)

HV/HP Testing

Testing Different Cable Screen Connections for 66 kV Offshore Application with Direct Grounding Connections by Klaus-Dieter Haim

Submarine array cables increasingly use a laminated Al with Cu wires as screen instead of traditional lead sheath as water barrier for protecting cable insulation. While this makes the cable more economical, the screen connection in cable accessories represents a challenge, especially for application in direct grounding systems where circulating currents during normal as well as abnormal operation must be considered.